CVE-2026-49160High· 7.5▾ MidnightPoC availableUncontrolled resource consumption in HTTP/2 allows an unauthorized attacker to deny service over a network.
▾ Midnight zone — Critical, or high with PoC / in-the-wild
impact 41.3 · likelihood 11.3 · exploitation 12
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Public exploit / PoC code seen in 1 source. Availability, not in-the-wild use.
Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Sep 24.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
54%
54% → 57%
1 GitHub repo (last check)
Uncontrolled resource consumption in HTTP/2 allows an unauthorized attacker to deny service over a network.
windows_10_version_1607 >= 10.0.14393.0 < 10.0.14393.9234windows_10_version_1809 >= 10.0.17763.0 < 10.0.17763.8880windows_10_version_21h2 >= 10.0.19044.0 < 10.0.19044.7417windows_10_version_22h2 >= 10.0.19045.0 < 10.0.19045.7417windows_11_version_23h2 >= 10.0.22631.0 < 10.0.22631.7219windows_11_version_23h2 >= 10.0.22631.0 < 10.0.22631.7219windows_11_version_24h2 >= 10.0.26100.0 < 10.0.26100.8655windows_11_version_25h2 >= 10.0.26200.0 < 10.0.26200.8655windows_11_version_26h1 >= 10.0.28000.0 < 10.0.28000.2269windows_server_2016 >= 10.0.14393.0 < 10.0.14393.9234windows_server_2016_server_core_installation >= 10.0.14393.0 < 10.0.14393.9234windows_server_2019 >= 10.0.17763.0 < 10.0.17763.8880windows_server_2019_server_core_installation >= 10.0.17763.0 < 10.0.17763.8880windows_server_2022 >= 10.0.20348.0 < 10.0.20348.5256windows_server_2025 >= 10.0.26100.0 < 10.0.26100.32995windows_server_2025_server_core_installation >= 10.0.26100.0 < 10.0.26100.32995Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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